Home / 8,811.41-13,218.32-2,966.65

Finding the Fourth Proportional to 8,811.41, 13,218.32 and 2,966.65

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Solution

The fourth proportional to 8,811.41, 13,218.32 and 2,966.65 is: 4,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.41 : 13,218.32 = 2,966.65 : x
  2. Step 2: Convert to fraction form
    8,811.41/13,218.32 = 2,966.65/x
  3. Step 3: Cross multiply
    8,811.41x = 13,218.32 × 2,966.65
  4. Step 4: Simplify right side
    8,811.41x = 39,214,103.40
  5. Step 5: Solve for x
    x = 39,214,103.40/8,811.41
  6. Step 6: Final answer
    x = 4,450.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.